Patent US 4500809A
| Patent number | US 4500809A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electron gun having a low capacitance cathode and grid assembly |
| Inventors | Conrad Odenthal, Dennis D. Askew |
| Company | Tektronix Inc |
| Filing date | 1982-09-13 |
| Grant date | 1985-02-19 |